pg.ddx.io  pgsql-sql@postgresql.org mailing list archive  
help / color / mirror / Atom feed
From: Tim Landscheidt <tim@tim-landscheidt.de>
To: pgsql-sql@postgresql.org
Subject: Re: import ignoring duplicates
Date: Mon, 17 May 2010 00:32:00 +0000
Message-ID: <m3y6fjwepr.fsf@passepartout.tim-landscheidt.de> (raw)
References: <4BF03B89.9020908@noaa.gov>

Mark Fenbers <Mark.Fenbers@noaa.gov> wrote:

> I am using psql's \copy command to add records to a database
> from a file.  The file has over 100,000 lines.
> Occasionally, there is a duplicate, and the import ceases
> and an internal rollback is performed.  In other words, no
> data is imported even if the first error occurs near the end
> of the file.

> I am looking for an option/switch to tell psql (or the \copy
> command) to skip over any duplicate key constraint
> viloations and continue to load any data that doesn't
> violate a duplicate key constraint.  Is there such an
> option?

No. You can either disable the constraint temporarily, im-
port the data, fix any duplicates and re-enable the con-
straint, or you can load the data in a temporary table and
then transfer only the valid data. With only 100000 records
I would opt for the latter.

Tim




view thread (3+ messages)  latest in thread

Message-ID: <m3y6fjwepr.fsf@passepartout.tim-landscheidt.de>
Permalink:  ../m3y6fjwepr.fsf@passepartout.tim-landscheidt.de/
Also on:    postgresql.org/message-id/m3y6fjwepr.fsf@passepartout.tim-landscheidt.de

 · 

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: pgsql-sql@postgresql.org
  Cc: tim@tim-landscheidt.de
  Subject: Re: import ignoring duplicates
  In-Reply-To: <m3y6fjwepr.fsf@passepartout.tim-landscheidt.de>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox